101020231201 has 4 divisors (see below), whose sum is σ = 101199663792. Its totient is φ = 100840798612.

The previous prime is 101020231189. The next prime is 101020231219. The reversal of 101020231201 is 102132020101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 102132020101 = 19 ⋅5375369479.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101020231201 is a prime.

It is a super-2 number, since 2×101020231201² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101020231271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89715451 + ... + 89716576.

It is an arithmetic number, because the mean of its divisors is an integer number (25299915948).

Almost surely, 2^101020231201 is an apocalyptic number.

It is an amenable number.

101020231201 is a deficient number, since it is larger than the sum of its proper divisors (179432591).

101020231201 is an equidigital number, since it uses as much as digits as its factorization.

101020231201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179432590.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 101020231201 its reverse (102132020101), we get a palindrome (203152251302).

The spelling of 101020231201 in words is "one hundred one billion, twenty million, two hundred thirty-one thousand, two hundred one".